support complex whitespace indentation

closes #2

bash-ini-parser

@@ -10,6 +10,12 @@ function debug {
 }
 
 function cfg_parser {
+   shopt -p extglob &> /dev/null
+   CHANGE_EXTGLOB=$?
+   if [ $CHANGE_EXTGLOB = 1 ]
+   then
+      shopt -s extglob
+   fi
    ini="$(<$1)"                 # read the file
    ini="${ini//[/\\[}"          # escape [
    debug
@@ -19,15 +25,9 @@ function cfg_parser {
    debug
    ini=( ${ini[*]//;*/} )       # remove comments with ;
    debug
-   ini=( ${ini[*]/	=/=} )  # remove tabs before =
-   debug
-   ini=( ${ini[*]/#	/} )  # remove init tabs #TODO: remove all not just one
-   debug
-   ini=( ${ini[*]/# /} )  # remove init space #TODO: remove all not just one
-   debug
-   ini=( ${ini[*]/=	/=} )   # remove tabs after =
-   debug
-   ini=( ${ini[*]/ = /=} )   # remove anything with a space around =
+   ini=( ${ini[*]/#+([[:space:]])/} ) # remove init whitespace
+   debug "whitespace around"
+   ini=( ${ini[*]/*([[:space:]])=*([[:space:]])/=} ) # remove whitespace around =
    debug
    ini=( ${ini[*]/#\\[/\}$'\n'cfg.section.} ) # set section prefix
    debug
@@ -48,6 +48,11 @@ function cfg_parser {
    ini[${#ini[*]} + 1]='}'      # add the last brace
    debug
    eval "$(echo "${ini[*]}")"   # eval the result
+   if [ $CHANGE_EXTGLOB = 1 ]
+   then
+      shopt -u extglob
+   fi
+
 }
 
 function cfg_writer {